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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_MEDIA_FRAMEWORK_MODELS_ACTIVE_SOURCE_H_
#define SERVICES_MEDIA_FRAMEWORK_MODELS_ACTIVE_SOURCE_H_
#include "services/media/framework/models/demand.h"
#include "services/media/framework/models/part.h"
#include "services/media/framework/packet.h"
#include "services/media/framework/payload_allocator.h"
namespace mojo {
namespace media {
// Source that produces packets asynchronously.
class ActiveSource : public Part {
public:
using SupplyCallback = std::function<void(PacketPtr packet)>;
~ActiveSource() override {}
// Whether the source can accept an allocator.
virtual bool can_accept_allocator() const = 0;
// Sets the allocator for the source.
virtual void set_allocator(PayloadAllocator* allocator) = 0;
// Sets the callback that supplies a packet asynchronously.
virtual void SetSupplyCallback(const SupplyCallback& supply_callback) = 0;
// Sets the demand signalled from downstream.
virtual void SetDownstreamDemand(Demand demand) = 0;
};
} // namespace media
} // namespace mojo
#endif // SERVICES_MEDIA_FRAMEWORK_MODELS_ACTIVE_SOURCE_H_